Java ToolItem.getParent方法代碼示例

import org.eclipse.swt.widgets.ToolItem; //導入方法依賴的package包/類
@Override
public void runWithEvent(final Event event) {
	if (event.widget instanceof ToolItem) {
		final ToolItem toolItem = (ToolItem) event.widget;
		final Control control = toolItem.getParent();
		@SuppressWarnings("hiding")
		final Menu menu = getMenu(control);
		final Rectangle bounds = toolItem.getBounds();
		final Point topLeft = new Point(bounds.x, bounds.y + bounds.height);
		menu.setLocation(control.toDisplay(topLeft));
		menu.setVisible(true);
	}
}
 

import org.eclipse.swt.widgets.ToolItem; //導入方法依賴的package包/類
@Override
public void runWithEvent(Event event) {
	if (event.widget instanceof ToolItem) {
		final ToolItem toolItem = (ToolItem) event.widget;
		final Control control = toolItem.getParent();
		final Menu menu = getMenuCreator().getMenu(control);

		final Rectangle bounds = toolItem.getBounds();
		final Point topLeft = new Point(bounds.x, bounds.y + bounds.height);
		menu.setLocation(control.toDisplay(topLeft));
		menu.setVisible(true);
	}
}
 

import org.eclipse.swt.widgets.ToolItem; //導入方法依賴的package包/類
/**
 * Handle selection events.
 */	
public void widgetSelected(SelectionEvent event) {
	/**
	 * A selection event will be fired when a drop down tool
	 * item is selected in the main area and in the drop
	 * down arrow.  Examine the event detail to determine
	 * where the widget was selected.
	 */		
	if (event.detail == SWT.ARROW) {
		/*
		 * The drop down arrow was selected.
		 */
		if (visible) {
			// Hide the menu to give the Arrow the appearance of being a toggle button.
			setMenuVisible(false);
		} else {	
			// Position the menu below and vertically aligned with the the drop down tool button.
			final ToolItem toolItem = (ToolItem) event.widget;
			final ToolBar  toolBar = toolItem.getParent();
			
			Rectangle toolItemBounds = toolItem.getBounds();
			Point point = toolBar.toDisplay(new Point(toolItemBounds.x, toolItemBounds.y));
			menu.setLocation(point.x, point.y + toolItemBounds.height);
			setMenuVisible(true);
		}
	} else {
		/*
		 * Main area of drop down tool item selected.
		 * An application would invoke the code to perform the action for the tool item.
		 */
	}
}
 

import org.eclipse.swt.widgets.ToolItem; //導入方法依賴的package包/類
public void removeToolItem(ToolItem toolItem) {
		if (toolItem.getParent()!=getToolBar())
			return;
		
		toolItem.dispose();
		toolItem = null;
		
//		this.pack();	
	}